The benefits of back meridian dredging are that it can relax the tendons and activate the channels (stretching the tendons and bones, dredging the channels), and to a certain extent, it can relieve the pain of back muscle tightness. The back has the Dugu and the foot solar bladder meridians, doing back meridian dredging can make the meridians circulate more freely, and play a role in relaxing the tendons and energizing the muscles. Coupled with the back is prone to strain, such as long-term office work, resulting in back muscle tightness or pain, dredging the back meridians can play a certain degree of relief of muscle discomfort, so as to achieve the role of easing the back muscle tightness and pain. If you are not feeling well, you need to go to the hospital as soon as possible, by the doctor according to the specific conditions, to develop individualized diagnosis and treatment plan, so as not to delay the condition.